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Content Formats and Agent APIs

llms.txt: Configuration and Endpoint Diagnosis

2 min read

llms.txt is a proposed content-index convention. Use it as an optional machine-readable index and verify who serves it; it is not a proven citation shortcut.

Configure the index

  1. Open citelayer® → llms.txt and review the title and description.
  2. Choose the public post types and exclusions relevant to the index.
  3. Check noindex rules and shop utility pages before including URLs.
  4. If using llms-full.txt, choose the content scope and length limits deliberately.

Read the public response

Open /llms.txt in a fresh browser request or use curl. Check status, text content and UTF-8 charset. Compare a known page with the current generated index. The well-known alias is /.well-known/llms.txt.

Diagnose ownership problems

  • A physical llms.txt can shadow the WordPress route.
  • An SEO plugin may own the index while citelayer adds its enhancement block.
  • A third-party generator may serve unrelated content.
  • CDN, WAF, redirects or server rules can prevent the expected text response.

Use the built-in endpoint diagnosis before deleting files or changing server rules. Do not remove another provider’s file blindly.

What the score means

The dashboard scanner displays the llms.txt check with zero score weight. The separate per-page editor checklist still includes an llms.txt inclusion check in Free 1.13.5. These are different heuristics; neither measures whether an AI system cited the page. See the score explanation.

Next step

Continue with the quick start checklist, or check the common questions. For a reproducible problem, send the plugin versions, affected URL, expected result and actual response through Support. Do not include passwords, license keys or customer details.

Reviewed 6 October 2026 against citelayer® Free 1.13.5, WooCommerce add-on 1.2.19 and EDD add-on 1.2.1. Features depend on the active components and settings on your site.